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Volume 8, Number 12—December 2002

Research

Use of Binary Cumulative Sums and Moving Averages in Nosocomial Infection Cluster Detection1

Samuel M. Brown*Comments to Author , James C. Benneyan†, Daniel A. Theobald‡, Kenneth Sands§, Matthew T. Hahn‡, Gail A. Potter-Bynoe¶, John M. Stelling#**, Thomas F. O'Brien#**, and Donald A. Goldmann¶
Author affiliations: *Massachusetts General Hospital, Boston, Massachusetts, USA; †Northeastern University, Boston, Massachusetts, USA; ‡Vecna Technologies, Inc., Hyattsville, Maryland, USA; §Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA; ¶Children's Hospital, Boston, Massachusetts, USA; #WHO Collaborating Center for Antimicrobial Resistance Surveillance, Boston, Massachusetts, USA; **Brigham and Women's Hospital, Boston, Massachusetts, USA;

Main Article

Figure 1

Data processing methodology for cumulative sums. BMT, bone marrow transplant unit; ICU, intensive care unit; ENT, enterococcus; VAN MIC, vancomycin minimum inhibitory concentration; NCCLS, National Committee on Laboratory Standards antibiotic susceptibility breakpoint; CUSUM, cumulative sum; UCL, upper confidence limit.

Figure 1. Data processing methodology for cumulative sums. BMT, bone marrow transplant unit; ICU, intensive care unit; ENT, enterococcus; VAN MIC, vancomycin minimum inhibitory concentration; NCCLS, National Committee on Laboratory Standards antibiotic susceptibility breakpoint; CUSUM, cumulative sum; UCL, upper confidence limit.

Main Article

1 Portions of this research were presented at the 39th Annual Meeting of the Infectious Diseases Society of America (IDSA), San Francisco, California, USA, October 25–28, 2001.

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